Noun: sulfur oxide
Usage: N. Amer (elsewhere: sulphur oxide)
Usage: N. Amer (elsewhere: sulphur oxide)
- Any of several oxides of sulphur
"Sulfur oxides are major contributors to air pollution and acid rain";
- sulphur oxide [Brit, Cdn]
Derived forms: sulfur oxides
Type of: oxide
Encyclopedia: Sulfur oxide